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-rw-r--r--sound/soc/samsung/lowland.c213
1 files changed, 213 insertions, 0 deletions
diff --git a/sound/soc/samsung/lowland.c b/sound/soc/samsung/lowland.c
new file mode 100644
index 0000000000..a79df871ea
--- /dev/null
+++ b/sound/soc/samsung/lowland.c
@@ -0,0 +1,213 @@
+// SPDX-License-Identifier: GPL-2.0+
+//
+// Lowland audio support
+//
+// Copyright 2011 Wolfson Microelectronics
+
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+#include <sound/jack.h>
+#include <linux/gpio.h>
+#include <linux/module.h>
+
+#include "../codecs/wm5100.h"
+#include "../codecs/wm9081.h"
+
+#define MCLK1_RATE (44100 * 512)
+#define CLKOUT_RATE (44100 * 256)
+
+static struct snd_soc_jack lowland_headset;
+
+/* Headset jack detection DAPM pins */
+static struct snd_soc_jack_pin lowland_headset_pins[] = {
+ {
+ .pin = "Headphone",
+ .mask = SND_JACK_HEADPHONE,
+ },
+ {
+ .pin = "Headset Mic",
+ .mask = SND_JACK_MICROPHONE,
+ },
+ {
+ .pin = "Line Out",
+ .mask = SND_JACK_LINEOUT,
+ },
+};
+
+static int lowland_wm5100_init(struct snd_soc_pcm_runtime *rtd)
+{
+ struct snd_soc_component *component = asoc_rtd_to_codec(rtd, 0)->component;
+ int ret;
+
+ ret = snd_soc_component_set_sysclk(component, WM5100_CLK_SYSCLK,
+ WM5100_CLKSRC_MCLK1, MCLK1_RATE,
+ SND_SOC_CLOCK_IN);
+ if (ret < 0) {
+ pr_err("Failed to set SYSCLK clock source: %d\n", ret);
+ return ret;
+ }
+
+ /* Clock OPCLK, used by the other audio components. */
+ ret = snd_soc_component_set_sysclk(component, WM5100_CLK_OPCLK, 0,
+ CLKOUT_RATE, 0);
+ if (ret < 0) {
+ pr_err("Failed to set OPCLK rate: %d\n", ret);
+ return ret;
+ }
+
+ ret = snd_soc_card_jack_new_pins(rtd->card, "Headset",
+ SND_JACK_LINEOUT | SND_JACK_HEADSET |
+ SND_JACK_BTN_0,
+ &lowland_headset, lowland_headset_pins,
+ ARRAY_SIZE(lowland_headset_pins));
+ if (ret)
+ return ret;
+
+ wm5100_detect(component, &lowland_headset);
+
+ return 0;
+}
+
+static int lowland_wm9081_init(struct snd_soc_pcm_runtime *rtd)
+{
+ struct snd_soc_component *component = asoc_rtd_to_codec(rtd, 0)->component;
+
+ snd_soc_dapm_nc_pin(&rtd->card->dapm, "LINEOUT");
+
+ /* At any time the WM9081 is active it will have this clock */
+ return snd_soc_component_set_sysclk(component, WM9081_SYSCLK_MCLK, 0,
+ CLKOUT_RATE, 0);
+}
+
+static const struct snd_soc_pcm_stream sub_params = {
+ .formats = SNDRV_PCM_FMTBIT_S32_LE,
+ .rate_min = 44100,
+ .rate_max = 44100,
+ .channels_min = 2,
+ .channels_max = 2,
+};
+
+SND_SOC_DAILINK_DEFS(cpu,
+ DAILINK_COMP_ARRAY(COMP_CPU("samsung-i2s.0")),
+ DAILINK_COMP_ARRAY(COMP_CODEC("wm5100.1-001a", "wm5100-aif1")),
+ DAILINK_COMP_ARRAY(COMP_PLATFORM("samsung-i2s.0")));
+
+SND_SOC_DAILINK_DEFS(baseband,
+ DAILINK_COMP_ARRAY(COMP_CPU("wm5100-aif2")),
+ DAILINK_COMP_ARRAY(COMP_CODEC("wm1250-ev1.1-0027", "wm1250-ev1")));
+
+SND_SOC_DAILINK_DEFS(speaker,
+ DAILINK_COMP_ARRAY(COMP_CPU("wm5100-aif3")),
+ DAILINK_COMP_ARRAY(COMP_CODEC("wm9081.1-006c", "wm9081-hifi")));
+
+static struct snd_soc_dai_link lowland_dai[] = {
+ {
+ .name = "CPU",
+ .stream_name = "CPU",
+ .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
+ SND_SOC_DAIFMT_CBM_CFM,
+ .init = lowland_wm5100_init,
+ SND_SOC_DAILINK_REG(cpu),
+ },
+ {
+ .name = "Baseband",
+ .stream_name = "Baseband",
+ .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
+ SND_SOC_DAIFMT_CBM_CFM,
+ .ignore_suspend = 1,
+ SND_SOC_DAILINK_REG(baseband),
+ },
+ {
+ .name = "Sub Speaker",
+ .stream_name = "Sub Speaker",
+ .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
+ SND_SOC_DAIFMT_CBM_CFM,
+ .ignore_suspend = 1,
+ .c2c_params = &sub_params,
+ .num_c2c_params = 1,
+ .init = lowland_wm9081_init,
+ SND_SOC_DAILINK_REG(speaker),
+ },
+};
+
+static struct snd_soc_codec_conf lowland_codec_conf[] = {
+ {
+ .dlc = COMP_CODEC_CONF("wm9081.1-006c"),
+ .name_prefix = "Sub",
+ },
+};
+
+static const struct snd_kcontrol_new controls[] = {
+ SOC_DAPM_PIN_SWITCH("Main Speaker"),
+ SOC_DAPM_PIN_SWITCH("Main DMIC"),
+ SOC_DAPM_PIN_SWITCH("Main AMIC"),
+ SOC_DAPM_PIN_SWITCH("WM1250 Input"),
+ SOC_DAPM_PIN_SWITCH("WM1250 Output"),
+ SOC_DAPM_PIN_SWITCH("Headphone"),
+ SOC_DAPM_PIN_SWITCH("Line Out"),
+};
+
+static const struct snd_soc_dapm_widget widgets[] = {
+ SND_SOC_DAPM_HP("Headphone", NULL),
+ SND_SOC_DAPM_MIC("Headset Mic", NULL),
+ SND_SOC_DAPM_LINE("Line Out", NULL),
+
+ SND_SOC_DAPM_SPK("Main Speaker", NULL),
+
+ SND_SOC_DAPM_MIC("Main AMIC", NULL),
+ SND_SOC_DAPM_MIC("Main DMIC", NULL),
+};
+
+static const struct snd_soc_dapm_route audio_paths[] = {
+ { "Sub IN1", NULL, "HPOUT2L" },
+ { "Sub IN2", NULL, "HPOUT2R" },
+
+ { "Main Speaker", NULL, "Sub SPKN" },
+ { "Main Speaker", NULL, "Sub SPKP" },
+ { "Main Speaker", NULL, "SPKDAT1" },
+};
+
+static struct snd_soc_card lowland = {
+ .name = "Lowland",
+ .owner = THIS_MODULE,
+ .dai_link = lowland_dai,
+ .num_links = ARRAY_SIZE(lowland_dai),
+ .codec_conf = lowland_codec_conf,
+ .num_configs = ARRAY_SIZE(lowland_codec_conf),
+
+ .controls = controls,
+ .num_controls = ARRAY_SIZE(controls),
+ .dapm_widgets = widgets,
+ .num_dapm_widgets = ARRAY_SIZE(widgets),
+ .dapm_routes = audio_paths,
+ .num_dapm_routes = ARRAY_SIZE(audio_paths),
+};
+
+static int lowland_probe(struct platform_device *pdev)
+{
+ struct snd_soc_card *card = &lowland;
+ int ret;
+
+ card->dev = &pdev->dev;
+
+ ret = devm_snd_soc_register_card(&pdev->dev, card);
+ if (ret)
+ dev_err_probe(&pdev->dev, ret, "snd_soc_register_card() failed\n");
+
+ return ret;
+}
+
+static struct platform_driver lowland_driver = {
+ .driver = {
+ .name = "lowland",
+ .pm = &snd_soc_pm_ops,
+ },
+ .probe = lowland_probe,
+};
+
+module_platform_driver(lowland_driver);
+
+MODULE_DESCRIPTION("Lowland audio support");
+MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:lowland");